/*----------------------------------------------------------------------------*/
/*                                                                            */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved.             */
/* Copyright (c) 2005-2018 Rexx Language Association. All rights reserved.    */
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/* This program and the accompanying materials are made available under       */
/* the terms of the Common Public License v1.0 which accompanies this         */
/* distribution. A copy is also available at the following address:           */
/* https://www.oorexx.org/license.html                                        */
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/* the documentation and/or other materials provided with the distribution.   */
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/* of its contributors may be used to endorse or promote products             */
/* derived from this software without specific prior written permission.      */
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/*----------------------------------------------------------------------------*/

#include "RexxCore.h"
#include "Activity.hpp"
#include "ActivityDispatcher.hpp"
#include "Interpreter.hpp"
#include "InterpreterInstance.hpp"


/**
 * Default virtual method for handling a run() methods on
 * an activity dispatcher.
 */
void ActivityDispatcher::run()
{
    // this just returns
}


/**
 * Default handler for any error conditions.  This just sets the
 * condition information in the dispatch unit.
 *
 * @param c      The condition information for the error.
 */
void ActivityDispatcher::handleError(wholenumber_t r, DirectoryClass *c)
{
    // save the condition information
    rc = r;
    conditionData = c;
}


/**
 * Default handler for any error conditions.  This just sets the
 * condition information in the dispatch unit.
 *
 * @param c      The condition information for the error.
 */
void ActivityDispatcher::handleError(DirectoryClass *c)
{
    // this only gets added if there is a condition
    if (c != OREF_NULL)
    {
        handleError(activity->errorNumber(c), c);
    }
}


/**
 * Invoke the dispatcher on a newly created interpreter instance.
 */
void ActivityDispatcher::invoke()
{
    // this creates a new instance to run under, with an active activity
    InstanceBlock instance;

    // go run the instance on the current activity
    instance.activity->run(*this);
}


/**
 * Invoke the dispatcher on a newly created interpreter instance.
 */
void ActivityDispatcher::invoke(RexxOption *options)
{
    // this creates a new instance to run under, with an active activity
    InstanceBlock instance(options);

    // go run the instance on the current activity
    instance.activity->run(*this);
}


/**
 * Invoke the dispatcher on a newly created interpreter instance.
 */
void ActivityDispatcher::invoke(PRXSYSEXIT exits, const char *env)
{
    // this creates a new instance to run under, with an active activity
    InstanceBlock instance(exits, env);

    // go run the instance on the current activity
    instance.activity->run(*this);
}
